with high quanlity USB audio feature ,this optical USB mouse can also be used as a mini computer ... 1With high quality USB audio feature, this optical USB Skype Mouse can also be used as a mini computer ... . 2. As a mouse:1.5m USB cable (USB 1.1),800 dpi optical sensor 3.As a ... privacy. 4. As a VoIP Phone:Auto detection between mouse and VoIP phoneSeamlessly integrated with Skype, VoipButser, VoipStunt, ...